Home / 27,681,023.66-38,171,409.64-18,385,223.90

Finding the Fourth Proportional to 27,681,023.66, 38,171,409.64 and 18,385,223.90

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Solution

The fourth proportional to 27,681,023.66, 38,171,409.64 and 18,385,223.90 is: 25,352,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681,023.66 : 38,171,409.64 = 18,385,223.90 : x
  2. Step 2: Convert to fraction form
    27,681,023.66/38,171,409.64 = 18,385,223.90/x
  3. Step 3: Cross multiply
    27,681,023.66x = 38,171,409.64 × 18,385,223.90
  4. Step 4: Simplify right side
    27,681,023.66x = 701,789,912,573,198.38
  5. Step 5: Solve for x
    x = 701,789,912,573,198.38/27,681,023.66
  6. Step 6: Final answer
    x = 25,352,744.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.